According to a study in sociology, the most widely used illegal drug among high school seniors is/are

a. marijuana.
b. cocaine.
c. hallucinogens.
d. speed.

((This is a real question I have on my unit test on egenuity xD))

According to a study in sociology the most widely used illegal drug among high school seniors isare a marijuana b cocaine c hallucinogens d speed This is a real class=